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Dave Williams | DitroniX | G8PUO
2026-06-18 15:50:23 +01:00
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YAML Examples/WREN C5/README.md
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This is a working development code for WREN, within Home Assistant.
![WREN C5 in ESPHome](https://github.com/DitroniX/Home-Assistant-Dev/blob/main/YAML%20Examples/WREN%20C5/wren-c5-esphome.png)
### **Code Development**
Being primarily a hardware engineer and not understanding YAML, I have enlisted some help.
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### Purpose
This firmware runs on the ESP32-C5 and provides control and monitoring for a dual-motor actuator system using a TCA6408A I²C GPIO expander and motor driver circuitry.
This firmware runs on the ESP32-C5 and provides control and monitoring for a dual-motor actuator system using a TCA6408A I²C GPIO expander and motor driver circuitry.
The firmware performs:
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- Fault detection
- I²C communications
- I²C communications
- Sensor monitoring
- ESPHome integration
### TCA6408A I/O Expander (I²C Address 0x21)
### TCA6408A I/O Expander (I²C Address 0x21)
The TCA6408A provides eight output signals.
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### TMP102 Temperature Sensor
I²C Address: 0x4A
I²C Address: 0x4A
Provides:
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- ESPHome integration
- I²C-based output expansion
- I²C-based output expansion
The design prioritizes safe motor shutdown and automatic recovery while maintaining simple integration with Home Assistant and ESPHome.